Not saying management is harder than engineering, at all. It's just another nice big area to learn something new.
Big companies tend to be quite prescriptive about role boundaries, so if you're an FE engineer, you can learn design and provide input as much as you want, but you won't likely get to design a new screen from scratch instead of your regular designer.
I mean, over the last few years as an IC I fiddled with CI setups and automated QA, wrote some CLI codegens, but after some time you really notice you start inventing problems to have some fun.